Dextromethorphan; Guaifenesin; Pseudoephedrine capsules or ER tablets

What is this medicine?

DEXTROMETHORPHAN; GUAIFENESIN; PSEUDOEPHEDRINE (dex troe meth OR fan, gwye FEN e sin; soo doe e FED rin) is a combination of a cough suppressant, an expectorant, and a decongestant. It used to provide relief from cough and congestion. This medicine will not treat an infection.

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Do not crush or chew. If this medicine upsets your stomach, take with food or milk. Take your doses at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Patients over 60 years old may have a stronger reaction and need a smaller dose.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

difficulty passing urine

fast or irregular heartbeat

fear, anxiety, restless, tremor

fever

hallucinations

high blood pressure

seizure

trouble breathing

unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

Where should I keep my medicine?

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

diabetes

difficulty passing urine

glaucoma

high blood pressure, heart disease

liver disease

an unusual or allergic reaction to dextromethorphan, guaifenesin, pseudoephedrine, other medicines, foods, dyes, or preservatives

pregnant or trying to get pregnant

breast-feeding

What should I watch for while using this medicine?

Use as directed by your doctor or health care professional. Do not take more than the recommended dose. Tell your doctor if your symptoms do not improve within 5 days or if they get worse. If you have trouble falling asleep at night, take the last dose of the day at least a few hours before bedtime.

Drink water as instructed while you are taking this medicine to help loosen mucus.